feat: remove legacy OpenCode runtime

Cut product flows over to Coding/Pi and retain only the migration-owned v1 boundary. Promote supported native optional packages because electron-builder omitted pnpm transitive optional closure from the packaged ASAR.

src/stores/coding-workspace.ts

@@ -2,10 +2,15 @@ import { useStore } from 'zustand';
 import { createStore, type StoreApi } from 'zustand/vanilla';
 import {
   createCodingProjectConversation,
+  createCodingProject,
   getCodingProjectConfig,
   listCodingProjectConversations,
   listCodingProjects,
+  acknowledgeLegacyCodingConversationNotice,
+  openCodingProject,
   patchCodingProjectConversation,
+  removeCodingProject,
+  setActiveCodingProject,
   type CodingProjectCatalog,
 } from '@/lib/coding-projects';
 import type {
@@ -14,6 +19,7 @@ import type {
   CodingProjectConfig,
   CodingProjectSummary,
 } from '@/types/coding-project';
+import type { ProjectType } from '../../shared/project-config';
 
 interface CodingWorkspaceDependencies {
   listProjects(): Promise<CodingProjectCatalog>;
@@ -31,6 +37,20 @@ interface CodingWorkspaceDependencies {
     conversationId: string,
     patch: { title?: string; archived?: boolean; unread?: boolean },
   ): Promise<CodingConversationMetadata>;
+  openProject(projectPath: string): Promise<CodingProjectSummary>;
+  createProject(input: {
+    projectPath?: string;
+    parentPath?: string;
+    projectName?: string;
+    projectType?: ProjectType;
+  }): Promise<{ project: CodingProjectSummary; config: CodingProjectConfig; knowledgeFiles: string[] }>;
+  setActiveProject(projectId: string): Promise<CodingProjectSummary>;
+  removeProject(projectId: string): Promise<void>;
+  acknowledgeLegacyNotice(projectId: string): Promise<{
+    project: CodingProjectSummary;
+    config: CodingProjectConfig;
+    knowledgeFiles: string[];
+  }>;
 }
 
 export interface CodingWorkspaceState {
@@ -45,6 +65,16 @@ export interface CodingWorkspaceState {
   conversationErrorsByProjectId: Record<string, Record<string, string>>;
   creatingAgentIds: Record<string, true>;
   load(): Promise<void>;
+  openProject(projectPath: string): Promise<CodingProjectSummary>;
+  createProject(input: {
+    projectPath?: string;
+    parentPath?: string;
+    projectName?: string;
+    projectType?: ProjectType;
+  }): Promise<CodingProjectSummary>;
+  setActiveProject(projectId: string): Promise<CodingProjectSummary>;
+  removeProject(projectId: string): Promise<void>;
+  acknowledgeLegacyNotice(): Promise<void>;
   selectAgent(agentId: string): void;
   ensureConversation(agentId: string): Promise<CodingConversationMetadata>;
   createConversation(agentId: string): Promise<CodingConversationMetadata>;
@@ -99,6 +129,11 @@ function defaultDependencies(): CodingWorkspaceDependencies {
     listConversations: listCodingProjectConversations,
     createConversation: createCodingProjectConversation,
     patchConversation: patchCodingProjectConversation,
+    openProject: openCodingProject,
+    createProject: createCodingProject,
+    setActiveProject: setActiveCodingProject,
+    removeProject: removeCodingProject,
+    acknowledgeLegacyNotice: acknowledgeLegacyCodingConversationNotice,
   };
 }
 
@@ -177,6 +212,36 @@ export function createCodingWorkspaceStore(
       await flight;
     },
 
+    async openProject(projectPath) {
+      const project = await deps.openProject(projectPath);
+      await get().load();
+      return project;
+    },
+
+    async createProject(input) {
+      const snapshot = await deps.createProject(input);
+      await get().load();
+      return snapshot.project;
+    },
+
+    async setActiveProject(projectId) {
+      const project = await deps.setActiveProject(projectId);
+      await get().load();
+      return project;
+    },
+
+    async removeProject(projectId) {
+      await deps.removeProject(projectId);
+      await get().load();
+    },
+
+    async acknowledgeLegacyNotice() {
+      const projectId = get().activeProjectId;
+      if (!projectId) return;
+      const snapshot = await deps.acknowledgeLegacyNotice(projectId);
+      if (get().activeProjectId === projectId) set({ config: snapshot.config });
+    },
+
     selectAgent(agentId) {
       if (!enabledAgent(get().config, agentId)) return;
       set({ selectedAgentId: agentId });